Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
Hannah Ritchie @hannahritchie.bsky.social Deputy Editor, Our World in Data
Senior Researcher, University of Oxford
Climate, energy, environment, all things data.
Charlie Marsh @crmarsh.com Building Astral: Ruff, uv, and other high-performance Python tools, written in Rust.
Armin Ronacher @mitsuhiko.at Creator of Flask • earendil.com ♥︎ writing and giving talks • Excited about AI • Husband and father of three • Inhabits Vienna; Liberal Spirit • “more nuanced in person” • More AI content on https://x.com/mitsuhiko
More stuff: https://ronacher.eu/
Sebastián Ramírez @tiangolo.com Creator of @fastapi.tiangolo.com, Typer, SQLModel, Asyncer, etc 🚀
From 🇨🇴 in 🇩🇪
Open Source, APIs, and tools for data/ML 🤖
Building @fastapicloud.com ⚡️
Samuel Colvin @sa.muelcolvin.com Building Pydantic Logfire - uncomplicated observability for Python. Sequoia Scout.
Pydantic @pydantic.dev The end-to-end AI engineering stack
AI observability at scale without fail with Pydantic Logfire. Iterate with Pydantic Evals. Build type-safe agents with Pydantic AI. Track costs with AI Gateway.
Chad Fowler @chadfowler.com GP&CTO @blueyard.com
Author, musician, speaker, developer
AT-proto based encrypted group chat protocol: @freeq.at
Regenerative Software with the Phoenix Architecture: https://aicoding.leaflet.pub/
https://chadfowler.com/
Hugging Face @hf.co The AI community building the future! 
Jeremiah Lowin @jlowin.dev CEO @prefect.io. Building FastMCP. Mostly harmless.
Hamel Husain @hamel.bsky.social evals evals evals. https://evals.info
Nathan Lambert @natolambert.bsky.social A LLN - large language Nathan - (RL, RLHF, society, robotics), athlete, yogi, chef
Writes http://interconnects.ai
Prev Ai2/Olmo, HuggingFace, Berkeley, and normal places
Dylan Thomas Doyle, PhD. @dylantdoyle.bsky.social Director and Podcast Host @AI for All Tomorrows. Post-Doctoral Researcher @CU Boulder. TEDx Speaker. Researcher of AI safety, mental health, and end-of-life care. Former Co-Host @Radical AI Podcast
Geoffrey Irving @girving.bsky.social Cofounder and Chief Scientist at Resolution. Alignment will be solved eventually, but not necessarily in time. Previously UK AISI, DeepMind, OpenAI, Google Brain, etc.
Yann LeCun @yann-lecun.bsky.social Professor a NYU; Executive Chairman at AMI Labs..
Researcher in AI, Machine Learning, Robotics, etc.
ACM Turing Award Laureate.
http://yann.lecun.com
Sebastian Ruder @sebruder.bsky.social Research Scientist at Meta • ex Cohere, Google DeepMind • https://www.ruder.io/
Eugene Yan @eugeneyan.com RecSys, AI, Engineering; Principal Applied Scientist @ Amazon. Led ML @ Alibaba, Lazada, Healthtech Series A. Writing @ eugeneyan.com, aiteratelabs.com.
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
Chip Huyen @chiphuyen.bsky.social AI x storytelling
AI Engineering: https://amazon.com/dp/1098166302
Designing ML Systems: http://amazon.com/dp/1098107969
@chipro
Anthropic @anthropic.com We're an Al safety and research company that builds reliable, interpretable, and steerable Al systems. Talk to our Al assistant Claude at Claude.ai.
Jeremy Howard @howard.fm https://Answer.AI & https://fast.ai founding CEO; previous: hon professor @ UQ; leader of masks4all; founding CEO Enlitic; founding president Kaggle; various other stuff…
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app